Once the rule is in effect, you'll be able to go to a comparison shopping site and authorize it to go to your bank for your transaction history, and then tell you which bank - out of all the banks in America - will pay you the most for your deposits and charge you the least for your debts. Then, after you open a new account, you can authorize the new bank to go back to your old bank and get *all* your data: payees, scheduled payments, payment history, all of it.
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